
        .left{
            float: left;
        }
        .right{
            float: right;
        }
        .hide{
            display: none;
        }

        .content{
            margin-top: 0;
            position: absolute;
            left: 0;
            bottom: 0;
            top: 50px;
            right: 0;


            min-width: 1000px;
            overflow: scroll;
            z-index: 99;
        }

        .error_msg{
            color: red;
            
        }

